Information on his family line obtained from the World Family Tree, by Broderbund Corporation, and the Learning Company. Volume 14, tree #3272, and Volume 32, tree #0638 were used to validate this information.

The Virginia 1820 US census for Fairfax County lists the family as follows: Head of Household: John Moore. Free White Males in household: age 11 to 16, 1; age 46 and over, 1. Free White Females in household: to age 10, 1; age 11 to 16, 2; age 17 to 26, 1; age 27 to 45, 1. Number of persons engaged in Agriculture, 7. Male Slaves: to age 14, 6; age 15 to 26, 1; age 27 to 45, 1; age 46 and over, 1. Female Slaves: to age 14, 5; age 15 to 26, 2; age 27 to 45, 2.

The Virginia 1830 US census for Fairfax County lists the family as follows: Head of Household: John Moore. Free White males in household: age 21 to 30, 1; age 51 to 60, 1. Free White Females in household: age 16 to 20, 1; age 21 to 30, 1. Male Slaves: under age 10, 2; age 10 to 24, 4; age 23 to 36, 2. Female Slaves: under age 10, 6; age 10 to 24, 2; age 25 to 36, 1; age 37 to 55, 2. Total Slaves including owned: 26.

From a book "Moorefield", Home of Early Baptist Preacher Jeremiah Moore, by Thomas V. DiBacco: "1814 Will of Jeremiah Moore bequeathed conditionally to his son John sections of Moorefield (which are generally identifiable with the house and land in 1971) prior to the death of his mother. John died in 1831, his mother (Lydia) in 1835. Fairfax County Wills, Book K, No. 1 (August 1, 1814), pages 271-274."